JPH03119298U - - Google Patents
Info
- Publication number
- JPH03119298U JPH03119298U JP1990027252U JP2725290U JPH03119298U JP H03119298 U JPH03119298 U JP H03119298U JP 1990027252 U JP1990027252 U JP 1990027252U JP 2725290 U JP2725290 U JP 2725290U JP H03119298 U JPH03119298 U JP H03119298U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- control cable
- signal
- sends
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は本考案の制御ケーブルの断線検出装置
の一実施例を示す回路図、第２図および第３図は
それぞれ本考案に使用するパルス発振部およびパ
ルス受信部を示すブロツク構成図、第４図は本考
案のパルス発振部の出力部およびパルス受信部の
入力部の詳細を示す回路図、第５図は本考案の無
パルス検出器を示す回路図、第６図は本考案のパ
ルス信号のパルス幅と受信リレーの動作時間を比
較するタイムチヤート、第７図は本考案の無パル
スを検出するタイムチヤート図である。
１……パルス発振部、２……パルス受信部、３
……制御ケーブル、６……パルス発振器、７……
増幅器、８……出力部、９……警報回路、１０…
…無パルス検出器、１１……増幅器、１２……入
力部、Ｘ１〜Ｘｎ……接点、Ｙ１〜Ｙｎ……受信
リレー。
FIG. 1 is a circuit diagram showing an embodiment of the control cable disconnection detection device of the present invention, and FIGS. Figure 4 is a circuit diagram showing details of the output section of the pulse oscillation section and the input section of the pulse reception section of the present invention, Figure 5 is a circuit diagram showing the pulseless detector of the present invention, and Figure 6 is a circuit diagram showing the pulseless detector of the present invention. A time chart comparing the pulse width of the signal and the operating time of the receiving relay. FIG. 7 is a time chart for detecting no pulse according to the present invention. 1...Pulse oscillation section, 2...Pulse reception section, 3
...Control cable, 6...Pulse oscillator, 7...
Amplifier, 8...Output section, 9...Alarm circuit, 10...
...No-pulse detector, 11...Amplifier, 12...Input section, X1 to Xn ...Contacts, Y1 to Yn ...Receiving relay.
Claims (1)
ーブルで接続した制御回路において、前記信号を
送る側に一定周期のパルスを発振させて制御ケー
ブルに送出するパルス発振部を設け、前記信号を
受ける側に前記パルス発振部から制御ケーブルに
送り出される一定周期パルスのパルス無しを検出
するパルス受信部を設け、さらにパルス受信部が
パルス無しを検出したとき制御ケーブルの断線故
障を報ずるアラームを発する警報回路を設けたこ
とを特徴とする制御ケーブルの断線検出装置。 In a control circuit in which a side that sends a signal and a side that receives this signal are connected by a control cable, a pulse oscillation section that oscillates a pulse with a constant period and sends it to the control cable is provided on the side that sends the signal, and receives the signal. A pulse receiving section is provided on the side for detecting the absence of a constant periodic pulse sent from the pulse oscillating section to the control cable, and furthermore, an alarm circuit that issues an alarm to report a disconnection failure of the control cable when the pulse receiving section detects the absence of a pulse. A disconnection detection device for a control cable, characterized in that it is provided with:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990027252U JPH03119298U (en) | 1990-03-19 | 1990-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990027252U JPH03119298U (en) | 1990-03-19 | 1990-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03119298U true JPH03119298U (en) | 1991-12-09 |
Family
ID=31530115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990027252U Pending JPH03119298U (en) | 1990-03-19 | 1990-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03119298U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012128067A1 (en) * | 2011-03-18 | 2012-09-27 | ソニー株式会社 | Detection device and detection method |
| JP2014172405A (en) * | 2013-03-05 | 2014-09-22 | Furukawa Electric Co Ltd:The | Disconnection detection circuit of rotary connector device |
-
1990
- 1990-03-19 JP JP1990027252U patent/JPH03119298U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012128067A1 (en) * | 2011-03-18 | 2012-09-27 | ソニー株式会社 | Detection device and detection method |
| JP2012198035A (en) * | 2011-03-18 | 2012-10-18 | Sony Corp | Detection device and detection method |
| JP2014172405A (en) * | 2013-03-05 | 2014-09-22 | Furukawa Electric Co Ltd:The | Disconnection detection circuit of rotary connector device |
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